<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <!-- CSS only -->
    <link
      rel="stylesheet"
      href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css"
    />
    <style>
      .red {
        color: red !important;
      }
      .search {
        width: 300px;
        margin: 20px 0;
      }
      .my-form {
        display: flex;
        margin: 20px 0;
      }
      .my-form input {
        flex: 1;
        margin-right: 20px;
      }
      .table > :not(:first-child) {
        border-top: none;
      }
      .contain {
        display: flex;
        padding: 10px;
      }
      .list-box {
        flex: 1;
        padding: 0 30px;
      }
      .list-box a {
        text-decoration: none;
      }
      .echarts-box {
        width: 600px;
        height: 400px;
        padding: 30px;
        margin: 0 auto;
        border: 1px solid #ccc;
      }
      tfoot {
        font-weight: bold;
      }
      @media screen and (max-width: 1000px) {
        .contain {
          flex-wrap: wrap;
        }
        .list-box {
          width: 100%;
        }
        .echarts-box {
          margin-top: 30px;
        }
      }
    </style>
  </head>
  <body>
    <div id="app">
      <div class="contain">
        <!-- 左侧列表 -->
        <div class="list-box">
          <!-- 添加资产 -->
          <form class="my-form">
            <input
              type="text"
              class="form-control"
              placeholder="消费名称"
              v-model.trim="obj.name"
            />
            <input
              type="text"
              class="form-control"
              placeholder="消费价格"
              v-model.number="obj.price"
            />
            <button type="button" class="btn btn-primary" @click="onAdd">
              添加账单
            </button>
          </form>

          <table class="table table-hover">
            <thead>
              <tr>
                <th>编号</th>
                <th>消费名称</th>
                <th>消费价格</th>
                <th>操作</th>
              </tr>
            </thead>
            <tbody>
              <tr v-for="(item,index) in list" :key="item.id">
                <td>{{index+1}}</td>
                <td>{{item.name}}</td>
                <td>{{item.price.toFixed(2)}}</td>
                <td>
                  <a href="javascript:;" @click="del(item.id)">删除</a>
                </td>
              </tr>
            </tbody>
            <tfoot>
              <tr>
                <td colspan="4">消费总计:{{total}}</td>
              </tr>
            </tfoot>
          </table>
        </div>

        <!-- 右侧图表 -->
        <div class="echarts-box" id="main"></div>
      </div>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/echarts@5.4.0/dist/echarts.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
    <script>
      axios.defaults.baseURL = "https://applet-base-api-t.itheima.net";
      /**
       * 接口文档地址：
       * https://www.apifox.cn/apidoc/shared-24459455-ebb1-4fdc-8df8-0aff8dc317a8/api-53371058
       *
       * 功能需求：
       * 1. 基本渲染
       * 2. 添加功能
       * 3. 删除功能
       * 4. 饼图渲染
       */
      const app = new Vue({
        el: "#app",
        data: {
          list: [],
          obj: {
            creator: "小高",
            name: "",
            price: "",
          },
        },
        created() {
          this.getList();
          this.drawChart();
        },
        mounted() {
          this.drawChart();
        },
        methods: {
          // 渲染页面
          getList() {
            axios
              .get("/bill", {
                params: {
                  creator: "小高",
                },
              })
              .then((res) => {
                console.log(res.data.data);
                this.list = res.data.data;
              });
          },
          // 添加功能
          onAdd() {
            axios.post("/bill", this.obj).then((res) => {
              console.log(res);
              this.getList();
              this.drawChart();
              this.obj.name = "";
              this.obj.price = "";
            });
          },
          // 删除功能
          del(id) {
            axios.delete("/bill/" + id).then((res) => {
              this.getList();
              this.drawChart();
            });
          },
          // Echarts渲染
          // https://echarts.apache.org/examples/zh/editor.html?c=pie-simple
          drawChart() {
            axios
              .get("/bill", {
                params: {
                  creator: "小高",
                },
              })
              .then((res) => {
                console.log(res.data.data);
                this.list = res.data.data;

                var box = document.querySelector("#main");
                var myChart = echarts.init(box);
                // 指定图表的配置项和数据
                option = {
                  title: {
                    text: "消费账单列表",
                    subtext: "Fake Data",
                    left: "center",
                  },
                  tooltip: {
                    trigger: "item",
                  },
                  legend: {
                    orient: "vertical",
                    left: "left",
                  },
                  series: [
                    {
                      name: "Access From",
                      type: "pie",
                      radius: "50%",
                      /*  [
                  { value: 1048, name: "Search Engine" },
                  { value: 735, name: "Direct" },
                  { value: 580, name: "Email" },
                  { value: 484, name: "Union Ads" },
                  { value: 300, name: "Video Ads" },
                ] */
                      data: res.data.data.map((el) => {
                        return { value: el.price, name: el.name };
                      }),
                      emphasis: {
                        itemStyle: {
                          shadowBlur: 10,
                          shadowOffsetX: 0,
                          shadowColor: "rgba(0, 0, 0, 0.5)",
                        },
                      },
                    },
                  ],
                };
                myChart.setOption(option);
              });
          },
        },
        computed: {
          // 总计消费
          total() {
            return this.list
              .reduce((pre, item) => {
                return pre + item.price;
              }, 0)
              .toFixed(2);
          },
        },
      });
    </script>
  </body>
</html>
